86187280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 214272000

約数和(自身を除く): 128084720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 499, 508, 635, 680, 998, 1016, 1270, 1360, 1996, 2032, 2159, 2495, 2540, 3992, 4318, 4990, 5080, 7984, 8483, 8636, 9980, 10160, 10795, 16966, 17272, 19960, 21590, 33932, 34544, 39920, 42415, 43180, 63373, 67864, 84830, 86360, 126746, 135728, 169660, 172720, 253492, 316865, 339320, 506984, 633730, 678640, 1013968, 1077341, 1267460, 2154682, 2534920, 4309364, 5069840, 5386705, 8618728, 10773410, 17237456, 21546820, 43093640, 86187280]

約数ペア:

[(1, 86187280), (2, 43093640), (4, 21546820), (5, 17237456), (8, 10773410), (10, 8618728), (16, 5386705), (17, 5069840), (20, 4309364), (34, 2534920), (40, 2154682), (68, 1267460), (80, 1077341), (85, 1013968), (127, 678640), (136, 633730), (170, 506984), (254, 339320), (272, 316865), (340, 253492), (499, 172720), (508, 169660), (635, 135728), (680, 126746), (998, 86360), (1016, 84830), (1270, 67864), (1360, 63373), (1996, 43180), (2032, 42415), (2159, 39920), (2495, 34544), (2540, 33932), (3992, 21590), (4318, 19960), (4990, 17272), (5080, 16966), (7984, 10795), (8483, 10160), (8636, 9980)]